1955 Armstrong Siddeley Sapphire vs. 2006 BMW Z4
To start off, 2006 BMW Z4 is newer by 51 year(s). Which means there will be less support and parts availability for 1955 Armstrong Siddeley Sapphire. In addition, the cost of maintenance, including insurance, on 1955 Armstrong Siddeley Sapphire would be higher. At 2,979 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (229 HP @ 5900 RPM) has 144 more horse power than 1955 Armstrong Siddeley Sapphire. (85 HP @ 4400 RPM) In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1955 Armstrong Siddeley Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 270 kg more than 1955 Armstrong Siddeley Sapphire. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2006 BMW Z4 (300 Nm @ 3500 RPM) has 140 more torque (in Nm) than 1955 Armstrong Siddeley Sapphire. (160 Nm @ 1750 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1955 Armstrong Siddeley Sapphire.
Compare all specifications:
1955 Armstrong Siddeley Sapphire | 2006 BMW Z4 | |
Make | Armstrong Siddeley | BMW |
Model | Sapphire | Z4 |
Year Released | 1955 | 2006 |
Body Type | Sedan | Convertible |
Engine Position | Front | Front |
Engine Size | 2309 cc | 2979 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 85 HP | 229 HP |
Engine RPM | 4400 RPM | 5900 RPM |
Torque | 160 Nm | 300 Nm |
Torque RPM | 1750 RPM | 3500 RPM |
Engine Bore Size | 70 mm | 84 mm |
Engine Stroke Size | 100 mm | 90 mm |
Engine Compression Ratio | 7.5:1 | 10.2:1 |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1360 kg | 1630 kg |
Vehicle Length | 4580 mm | 4570 mm |
Vehicle Width | 1730 mm | 1790 mm |
Vehicle Height | 1570 mm | 1680 mm |
Wheelbase Size | 2900 mm | 2500 mm |